White House Postponing Loss of Iraq, Biden Says – washingtonpost.com Sen. Joseph R. Biden Jr. D-Del., chairman of the Senate Foreign Relations Committee, said yesterday that he believes top officials in the Bush administration have privately concluded they have lost Iraq and are simply trying to postpone disaster so the next president will "be the guy landing helicopters inside the Green Zone, taking people off the roof," in a chaotic withdrawal reminiscent of Vietnam. "I have reached the tentative conclusion that a significant portion of this administration, maybe even including the vice president, believes Iraq is lost," Biden said. "They…